Incorrect authorization in Microsoft Edge allows local privilege escalation
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.
Summary
Incorrect authorization in Microsoft Edge (Chromium-based) lets an authorized local attacker gain elevated privileges. An attacker needs local access with low privileges, and no user interaction is required.
Written with Claude Haiku 5.5 from the sources below · 2026-10-31
Description from the CNA
Incorrect authorization in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update Microsoft Edge (Chromium-based) to version 152.0.4191.53 or later, which is the fixed version listed for all affected builds from 1.0.0.0 before 152.0.4191.53.
Written with Claude Haiku 5.5 from the sources below · 2026-10-31
- Fix · CNA Microsoft Edge (Chromium-based) (Microsoft) Fixed in 152.0.4191.53
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- —
| Product | Status | Plan or fix |
|---|---|---|
| Microsoft Edge (Chromium-based) | Fixed | 152.0.4191.53 · Security Update |
Timeline
- 2026-10-30 Threatist record created from CVE-2026-69446
- 2026-10-30 CISA SSVC decision points changed
- 2026-10-30 Alias added: GHSA-6jfw-hgqc-f449
- 2026-10-31 CISA SSVC decision points changed
References
More Microsoft Edge Chromium vulnerabilities
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2025-12953 Memory corruption in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2025-04867 Out-of-bounds read in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2024-07384 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2026-69446 · CVE Program
- CVE-2026-69446 · NVD
- FIRST EPSS
- GHSA-6jfw-hgqc-f449 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-69446 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences